diff --git a/src/bash/filter.sh b/src/bash/filter.sh
old mode 100755
new mode 100644
index dce2de3..98d5a66
--- a/src/bash/filter.sh
+++ b/src/bash/filter.sh
@@ -119,8 +119,11 @@ curlJirafeauSend () {
     # $3: content-type
     # $4: name
     # $5: password
-    LOG_FIC " - curl -X POST -F \"time=$1\" -F \"key=$5\" -F \"file=@$2;type=$3;filename=$4\" \"${JIRAFEAU_LOCAL}/a.php\""
-    curl -X POST -F "time=$1" -F "key=$5" -F "file=@$2;type=$3;filename=$4" "${JIRAFEAU_LOCAL}/a.php"
+
+    type=$3
+    [ -z "${type}" ] && type="text/plain"
+    LOG_FIC " - curl -X POST -F \"time=$1\" -F \"key=$5\" -F \"file=@$2;type=${type};filename=$4\" \"${JIRAFEAU_LOCAL}/a.php\""
+    curl -X POST -F "time=$1" -F "key=$5" -F "file=@$2;type=${type};filename=$4" "${JIRAFEAU_LOCAL}/a.php"
 }
 
 ####################  MAIN #################################################
diff --git a/src/bash/filterTest.sh b/src/bash/filterTest.sh
old mode 100755
new mode 100644
index f6fd624..85331dc
--- a/src/bash/filterTest.sh
+++ b/src/bash/filterTest.sh
@@ -110,8 +110,10 @@ curlJirafeauSend () {
     # $4: name
     # $5: password
 
-    curl -X POST -F "time=$1" -F "key=$5" -F "file=@$2;type=$3;filename=$4" "${JIRAFEAU_LOCAL}/a.php"
-    #"${jirafeauAPI}" -f "${JIRAFEAU_LOCAL}" -t "$1" -s "1Gi" -c "$3" -n "$4" send "$2" "$5"
+    type=$3
+    [ -z "${type}" ] && type="text/plain"
+    curl -X POST -F "time=$1" -F "key=$5" -F "file=@$2;type=${type};filename=$4" "${JIRAFEAU_LOCAL}/a.php"
+    #"${jirafeauAPI}" -f "${JIRAFEAU_LOCAL}" -t "$1" -s "1Gi" -c "${type}" -n "$4" send "$2" "$5"
 }
 
 ########################################
diff --git a/src/cpp/MainAttachment.cpp b/src/cpp/MainAttachment.cpp
index a91c931..570ea9f 100644
--- a/src/cpp/MainAttachment.cpp
+++ b/src/cpp/MainAttachment.cpp
@@ -491,6 +491,8 @@ void MainAttachment::rewriteHeaders (ifstream &mbox, ofstream &outbox, const Hea
     boundary = "--"+boundary+"--";
     boundaryMiddleSize = boundary.length () - 2;
   }
+  if (startPos >= mime.length ())
+    startPos = mime.length ()-1;
   mime.insert (startPos, contentType);
   outbox << mime << flush;
 }
diff --git a/src/cpp/eMailShrinker.cpp b/src/cpp/eMailShrinker.cpp
index 2927608..cf76cd8 100644
--- a/src/cpp/eMailShrinker.cpp
+++ b/src/cpp/eMailShrinker.cpp
@@ -33,7 +33,7 @@
 ////////////////////////////////////////////////////////////////////////////
 
 #include "version.hpp"
-const std::string kaz::LAST_VERSION_NUM ("2.11");
+const std::string kaz::LAST_VERSION_NUM ("2.12");
 const std::string kaz::LAST_VERSION_DATE ("2022-12-27");
 const std::string kaz::LAST_VERSION (LAST_VERSION_NUM+" "+LAST_VERSION_DATE+" eMailShrinker");